39996613575 has 144 divisors (see below), whose sum is σ = 80649972000. Its totient is φ = 18828288000.

The previous prime is 39996613567. The next prime is 39996613597. The reversal of 39996613575 is 57531669993.

39996613575 is a `hidden beast` number, since 3 + 9 + 9 + 9 + 6 + 613 + 5 + 7 + 5 = 666.

It is not a de Polignac number, because 39996613575 - 2³ = 39996613567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7337451 + ... + 7342899.

It is an arithmetic number, because the mean of its divisors is an integer number (560069250).

Almost surely, 2^39996613575 is an apocalyptic number.

39996613575 is an abundant number, since it is smaller than the sum of its proper divisors (40653358425).

39996613575 is a wasteful number, since it uses less digits than its factorization.

39996613575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602 (or 5594 counting only the distinct ones).

The product of its digits is 41334300, while the sum is 63.

The spelling of 39996613575 in words is "thirty-nine billion, nine hundred ninety-six million, six hundred thirteen thousand, five hundred seventy-five".